R_API int r_anal_var_retype(RAnal *a, ut64 addr, int scope, int delta, char kind, const char *type, int size, const char *name) {
char *var_def;
RAnalFunction *fcn = r_anal_get_fcn_in (a, addr, 0);
if (!kind) {
kind = R_ANAL_VAR_KIND_BPV;
}
if (!type) {
type = "int";
}
if (!a || !fcn) {
return false;
}
if (size == -1) {
RList *list = r_anal_var_list (a, fcn, kind);
RListIter *iter;
RAnalVar *var;
r_list_foreach (list, iter, var) {
if (delta == -1) {
if (!strcmp (var->name, name)) {
delta = var->delta;
size = var->size;
break;
}
}
}
r_list_free (list);
}
R_API RList *r_sign_fcn_vars(RAnal *a, RAnalFunction *fcn) {
r_return_val_if_fail (a && fcn, NULL);
RCore *core = a->coreb.core;
if (!core) {
return NULL;
}
RListIter *iter;
RAnalVar *var;
RList *ret = r_list_newf ((RListFree) free);
if (!ret) {
return NULL;
}
RList *reg_vars = r_anal_var_list (core->anal, fcn, R_ANAL_VAR_KIND_REG);
RList *spv_vars = r_anal_var_list (core->anal, fcn, R_ANAL_VAR_KIND_SPV);
RList *bpv_vars = r_anal_var_list (core->anal, fcn, R_ANAL_VAR_KIND_BPV);
r_list_foreach (bpv_vars, iter, var) {
r_list_append (ret, r_str_newf ("b%d", var->delta));
}
void r_comment_vars(RCore *core, const char *input) {
//TODO enable base64 and make it the default for C*
RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
int idx;
char *oname = NULL, *name = NULL;
char *oldcomment = NULL;
char *heap_comment = NULL;
RAnalVar *var;
if (input[1] == '?' || (input[0] != 'b' && input[0] != 'r' && input[0] != 's') ) {
r_comment_var_help (core, input[0]);
return;
}
if (!fcn) {
eprintf ("Cant find function here\n");
return;
}
oname = name = strdup (input + 2);
while (*name == ' ') {
name++;
}
switch (input[1]) {
case '*':
case '\0': {
RList *var_list;
RListIter *iter;
var_list = r_anal_var_list (core->anal, fcn, input[0]);
r_list_foreach (var_list, iter, var) {
oldcomment = r_meta_get_var_comment (core->anal, input[0], var->delta, fcn->addr);
if (!oldcomment) {
continue;
}
if (!input[1]) {
r_cons_printf ("%s : %s\n", var->name, oldcomment);
} else {
r_cons_printf ("\"Cv%c %s base64:%s @ 0x%08"PFMT64x"\"\n", input[0], var->name,
sdb_encode ((const ut8 *) oldcomment, strlen(oldcomment)), fcn->addr);
}
}
}
break;
case ' ': {
// TODO check that idx exist
char *comment = strstr (name, " ");
if (comment) { // new comment given
if (*comment) {
*comment++ = 0;
}
if (!strncmp (comment, "base64:", 7)) {
heap_comment = (char *)sdb_decode (comment + 7, NULL);
comment = heap_comment;
}
}
var = r_anal_var_get_byname (core->anal, fcn, name);
if (var) {
idx = var->delta;
} else if (!strncmp (name, "0x", 2)) {
idx = (int) r_num_get (NULL, name);
} else if (!strncmp (name, "-0x", 3)) {
idx = -(int) r_num_get (NULL, name+1);
} else {
eprintf ("cant find variable named `%s`\n",name);
free (heap_comment);
break;
}
r_anal_var_free (var);
if (!r_anal_var_get (core->anal, fcn->addr, input[0], 1, idx)) {
eprintf ("cant find variable at given offset\n");
} else {
oldcomment = r_meta_get_var_comment (core->anal, input[0], idx, fcn->addr);
if (oldcomment) {
if (comment && *comment) {
char *text = r_str_newf ("%s\n%s", oldcomment, comment);
r_meta_set_var_comment (core->anal, input[0], idx, fcn->addr, text);
free (text);
} else {
r_cons_println (oldcomment);
}
} else {
r_meta_set_var_comment (core->anal, input[0], idx, fcn->addr, comment);
}
}
free (heap_comment);
}
break;
case '-':
var = r_anal_var_get_byname (core->anal,fcn, name);
if (var) {
idx = var->delta;
} else if (!strncmp (name, "0x", 2)) {
idx = (int) r_num_get (NULL, name);
} else if (!strncmp (name, "-0x", 3)) {
idx = -(int) r_num_get (NULL, name+1);
}else {
eprintf ("cant find variable named `%s`\n",name);
break;
}
r_anal_var_free (var);
//XXX TODO here we leak a var
if (!r_anal_var_get (core->anal, fcn->addr, input[0],1,idx)) {
eprintf ("cant find variable at given offset\n");
break;
}
r_meta_var_comment_del (core->anal, input[0], idx, fcn->addr);
break;
case '!': {
char *comment;
var = r_anal_var_get_byname (core->anal,fcn, name);
if (!var) {
eprintf ("cant find variable named `%s`\n",name);
break;
}
oldcomment = r_meta_get_var_comment (core->anal, input[0], var->delta, fcn->addr);
comment = r_core_editor (core, NULL, oldcomment);
if (comment) {
r_meta_var_comment_del (core->anal, input[0], var->delta, fcn->addr);
r_meta_set_var_comment (core->anal, input[0], var->delta, fcn->addr, comment);
free (comment);
}
r_anal_var_free (var);
}
break;
}
